The goals scored by 40 football teams from three league divisions are recorded below
No of goals
0
1
2
3
4
5
6
Frequency
4
3
15
16
1
0
1
What is the total number of goals scored by all the teams?
A
21
B
40
C
91
D
96
Verified Correct Answer: C.
Step-by-Step Mathematical Solution
Let x represent number of goals \(\begin{array}{c|c|} x & F & Frequency(fx)\\\hline 0 & 4 & 0 \\\hline 1 & 3 & 3\\\hline 2 & 15 & 30 \\\hline 3 & 16 & 48\\ \hline 4 & 1 & 4 \\\hline 5 & 0 & 0 \\\hline 6 & 1 & 6 \\\hline & \sum Fx = 91& \end{array}\)
\(\sum fx\) = 91
Source: Myschool Past Questions Archive (Record #56757)